The functionalization principle and processing methods of PVC functional materials were introduced.介绍了PVC功能材料的功能化原理和加工方法.Methods: The medicine materials is decoction distill and concentrate with liquid.方法: 药材共水煎煮提取、浓缩,制成...
Make a checklist of the tools and materials you will need.把你需要的工具和材料开一张单子。They sell materials for DIY mosaics and ready-made panels.他们出售自己动手做镶嵌画所需材料和现成的镶板。All of their furniture was upholstered in flowery materials.他们所有的...